23129457792 has 256 divisors, whose sum is σ = 72018201600. Its totient is φ = 6440398848.

The previous prime is 23129457737. The next prime is 23129457893. The reversal of 23129457792 is 29775492132.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25500603 + ... + 25501509.

It is an arithmetic number, because the mean of its divisors is an integer number (281321100).

Almost surely, 2^23129457792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23129457792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36009100800).

23129457792 is an abundant number, since it is smaller than the sum of its proper divisors (48888743808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23129457792 is a wasteful number, since it uses less digits than its factorization.

23129457792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163 (or 1151 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 51.

The spelling of 23129457792 in words is "twenty-three billion, one hundred twenty-nine million, four hundred fifty-seven thousand, seven hundred ninety-two".